Positive Logic with Double Negation
Publications de l'Institut Mathématique, _N_S_35 (1984) no. 49, p. 21 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

The fragment of the Heyting propositional calculus which contains double negation but does not contain negation is axiomatized by treating double negation as a necessity operator. The resulting system is shown sound and complete with respect to a specific class of Kripke-style models with two accessibility relations, one intuitionistic and the other modal.
Classification : 03B45
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     author = {Milan Bo\v{z}i\'c},
     title = {Positive {Logic} with {Double} {Negation}},
     journal = {Publications de l'Institut Math\'ematique},
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     number = {49},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1984_N_S_35_49_a2/}
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Milan Božić. Positive Logic with Double Negation. Publications de l'Institut Mathématique, _N_S_35 (1984) no. 49, p. 21 . http://geodesic.mathdoc.fr/item/PIM_1984_N_S_35_49_a2/